Grand Junction, Colorado

Grand Junction, Colorado
Grand Junction skyline
Nicknames: 
Colorado Wine Country, River City
Location of Grand Junction in Mesa County, Colorado
Coordinates: 39°05′16″N 108°34′05″W / 39.08778°N 108.56806°W / 39.08778; -108.56806
Country United States
State Colorado
CountyMesa
IncorporatedJuly 22, 1882
Named afterConfluence of Grand River and Gunnison River
Government
 • TypeCouncil-Manager
 • MayorCody Kennedy
 • City ManagerMike Bennett
Area
 • Total
40.077 sq mi (103.799 km2)
 • Land39.634 sq mi (102.652 km2)
 • Water0.443 sq mi (1.147 km2)
Elevation
4,646 ft (1,416 m)
Population
 (2020)
 • Total
65,560
 • Estimate 
(2025)
71,780
 • Rank17th in Colorado
 • Density1,654/sq mi (639/km2)
 • Metro
155,703
Time zoneUTC−07:00 (MST)
 • Summer (DST)UTC−06:00 (MDT)
ZIP Codes
81501–81507
Area codes970/748
FIPS code08-31660
GNIS feature ID2410631
Major highways
Websitewww.gjcity.org

Grand Junction is a home rule municipality that is the county seat of and the largest city in Mesa County, Colorado, United States. Grand Junction's population was 65,560 at the 2020 United States census, making it the most populous city in western Colorado and the 17th most populous Colorado municipality overall.

As western Colorado's largest city, Grand Junction is the economic and cultural center of the Western Slope region. The city is a transportation hub, situated at the convergence of Interstate 70, U.S. Highway 50 and U.S. Highway 6. Grand Junction is also home to Colorado Mesa University, enrolling nearly 10,000 students annually.

The city is the anchor of the Grand Junction metropolitan area, home to over 150,000 residents as of 2020. It is located in the heart of the Grand Valley, a large Colorado River valley stretching over 30 miles east-to-west and 5 miles north-to-south. Grand Junction comprises the largest urban center between Denver and Salt Lake City, as well as the most densely populated area and the only metropolitan area in Colorado outside of the Front Range Urban Corridor.